Improvement in seats and backs of chairs, settees, car-seats



. UNITED STATES PATENT OEEIcE.

JOHN K. MAYO, OF BROOKLYN, NEW YORK.

IMPROVEMENT IN SEATS AND BACKS 0F CHAIRS, SETTEES, CAR-SEATS, 8L0.

Specification forming part of Letters Patent No. 219,589, datedSeptember 16, 1879 application filed August 22, 1878.

To all whom it may concern:

Be it known that I, JOHN K. MAYO, of the city of Brooklyn, county ofKings, State of New York, have invented a new and useful Improvement inSeats and Backs of Chairs, Settees, (Jar-Seats, &c.; and I do herebydeclare that the following is a full, clear, and exact descriptionthereof, which will enable those skilled in the art to which myinvention relates to construct the same, reference being had to theaccompanying drawings, in which Figure 1 is a top view. Fig. 2 is acrosssection. Fig. 3 represents a perspective view of a combined back andseat of a chair to which my improvements have been applied.

The object of my invention is to so construct the seats-or backs ofchairs, settees, car-seats, &c., or seats and backs formed in one piece,as to combine strength and durability with elasticity and ventilation.

For this purpose the invention consists in making the seat or back, orthese two formed in one piece of two or more layers or laminae of wood,such as veneers, with the grain of the different laminae laid crosswiseof each other, and all cemented or glued together, and in then providingthem with a series or number of slits, arranged in the mannersubstantially as shown in the drawings, whereby the object abovereferred to is effectually attained, and at very small cost.

In the drawings, A represents a seat, fastened to the frame B by tacksa. b b represent slits or slots cut or otherwise formed in the seat,which give it elasticity and ventilation.

Seat A is formed of two or more layers or veneers of wood, so laidtogether-that the grain of the one layer crosses that of the other orothers adjoining it.

The back ofthe chair, settee, &c., is made precisely in the same waywhen made separately from the seat, and so is the seat and back whenmade in one piece.

The slits or slots Z1 1) may be cut of the same length, or of difierentlengths and widths, as taste or fancy may direct. 'These slots also givethe seats and backs elasticity and ventilation without any material lossof strength to the wood.

The perforated seats and backs now in use are rigid and more liable tocrack and break than the slotted seat.

My improved seat may be made more or less elastic, as desired, as theelasticity depends on the size and length of the slots and of thedistance that they are apart. By placing theslots near together seat isobtained which is capable of a lateral elastic movement, as well as thatresulting from direct pressure.

What I claim as new, and desire to secure by Letters Patent, is

A seat or back, or a seat and back formed in one piece, for use inconnection with chairs,

settees, car-seats, &c., constructed of two or more layers or veneers ofwood glued or cemented together with the grain of the layers laidcrosswise of each other, and provided with slits or slots, in the mannersubstantially as described. and shown, and for the purposes set forth.

In testimony that I claim the foregoing I have hereunto set my hand this19th day of August, 1878.

JOHN K. MAYO.

In presence of LEWIs W. FROST, R. F. VAN BUsKERcK.

